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Påverkan av elbilar på Sveriges transmissionsnät 2030
Linköping University, Department of Electrical Engineering, Vehicular Systems.
Linköping University, Department of Electrical Engineering, Vehicular Systems.
2023 (Swedish)Independent thesis Basic level (university diploma), 10,5 credits / 16 HE creditsStudent thesis
Abstract [sv]

Antal nyregistrerade laddbara personbilarbilar ökar märkbart för varje år.Enligt en prognos kommer cirka 2.5 miljoner laddbara bilar vara i trafik iSverige år 2030. Detta motsvarar hälften av personbilsflottan idag.Ökningen av laddbara bilar sker framför allt i elområden SE3 och SE4.Detta påverkar hur transmissionsnätet påverkas i framtiden där mängdeneffekt som ska transmitteras från norr till södra landet ökar omomständigheterna i nätet är samma som idag. I detta examensarbeteuppskattades först effektökningen orsakade av elbilar år 2030 för denämnda elområdena. Sedan modellerades transmissionsnätet i SE3 ochSE4 för att undersöka hur denna effektökning påverkar transmissionsnätetoch dess förluster.Resultatet visade att effektökningen kommer att belastatransmissionsnätet hårdare än idag. För effektöverföring mellan SE2 ochSE3 passeras den maximala överföringskapaciteten redan idag för vissatimmar av året. Resultatet i denna rapport visar att sådana timmar kommeratt vara betydligt fler för år 2030 och förlusterna kommer att öka. Detvisade sig att för SE4 kommer den maximala överföringskapacitetenräcka för år 2030.

Abstract [en]

The number of newly registered rechargeable passenger cars in Swedenincreases noticeably every year. According to a forecast, there will bearound 2.5 million cars in traffic in 2030. This corresponds to half of thepassenger car fleet today.The increase in rechargeable cars takes place above all in electricity areas:SE3 and SE4. This affects how the Swedish national grid is affected in thefuture, where the amount of power to be transmitted from the north to thesouth of the country increases if the conditions in the grid are the same astoday. In this bachelor thesis, the power increase caused by electric carsin 2030 was first estimated for the mentioned electricity areas. Then thepower transmission grid was modeled for SE3 and SE4 to investigate howelectric cars will affect the national grid and its losses.The result showed that the power increase will load the national grid moreheavily than today. For power transmission between SE2 and SE3, themaximum net transfer capacity is already exceeded for certain hours ofthe year. The result in this report shows that such hours will besignificantly more for the year 2030 and the losses in the grid willincrease. It turned out that for SE4, the maximum transmission capacitywill be sufficient for the year 2030.

Place, publisher, year, edition, pages
2023. , p. 41
Keywords [sv]
Elbilar, transmissionsnät, effektöverföring, elektroteknik
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-191110ISRN: LiTH-ISY-EX-ET--22/0519--SEOAI: oai:DiVA.org:liu-191110DiVA, id: diva2:1728576
Subject / course
Vehicular Systems
Supervisors
Examiners
Available from: 2023-01-19 Created: 2023-01-18 Last updated: 2023-01-19Bibliographically approved

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CiteExportLink to record
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